1.25ct Tanzanite (Oval, 8.69×5.79mm, Blue) vs 1ct Morganite (Oval, 8.63×5.75mm, Light Purple)
Quick summary: When looked from above (face-up position), 1.25ct Tanzanite (8.69×5.79mm, oval cut) appears 1% larger than 1ct Morganite (8.63×5.75mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 1.25ct Tanzanite (oval cut) |
vs
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1ct Morganite (oval cut) |
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blue |
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| 8.69×5.79 mm | 8.63×5.75 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
1.25ct Tanzanite Oval (8.69×5.79mm, Blue)
and
1ct Morganite Oval (8.63×5.75mm, Light Purple)
as they would appear on a ring and finger.
Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Face-up Size
All things being equal, Tanzanite will face-up smaller than Morganite for a given
carat weight, because it has higher specific gravity
(3.35 vs. 2.8 - this means it's "heavier" compared to Morganite of the same size). Face-up size also depends heavily on the proportions of the cut.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
| 1.25 Ct Tanzanite (Oval) | 1 Ct Morganite (Oval) | |
| 8.69×5.79 mm | vs | 8.63×5.75 mm |
| 41.26 mm² | 40.69 mm² |
| 1.25ct Tanzanite Oval (8.69×5.79mm) | |
| 1ct Morganite Oval (8.63×5.75mm) | |
| Difference: 1% (0.57 mm²) |
1.25ct Tanzanite (Oval, 8.69×5.79mm) has approx. 1% more face-up area than 1ct Morganite (Oval, 8.63×5.75mm).
Popular comparisons:
- 1.25ct Tanzanite (Oval, Blue, 8.69 x 5.79) vs. 1.25ct Diamond (Oval, White, 8.75 x 5.83)
- 1.25ct Tanzanite (Oval, Blue, 8.69 x 5.79) vs. 0.8ct Sapphire (Oval, Blue, 7.02 x 4.68)
- 1.25ct Tanzanite (Oval, Blue, 8.69 x 5.79) vs. 1ct Morganite (Round, Light Purple, 6.82 x 6.82)
- 1.25ct Tanzanite (Oval, Blue, 8.69 x 5.79) vs. 3.1ct Morganite (Oval, Light Purple, 12.57 x 8.38)
- 1.25ct Tanzanite (Oval, Blue, 8.69 x 5.79) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Tanzanite (Oval, Blue, 8.07 x 5.38) vs. 1ct Morganite (Oval, Light Purple, 8.63 x 5.75)
- 2ct Tanzanite (Oval, Blue, 10.16 x 6.77) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 2.5ct Tanzanite (Oval, Blue, 10.95 x 7.3) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)